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Add support to djvu TOC

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German Caro
2012-03-10 21:43:55 -03:00
parent 09610d966e
commit ab056e2e15
1 changed files with 56 additions and 3 deletions
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59
djvu.c
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@@ -15,6 +15,7 @@
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <libdjvu/miniexp.h>
#include <libdjvu/ddjvuapi.h>
#include "string.h"
@@ -119,15 +120,67 @@ static int getNumberOfPages(lua_State *L) {
return 1;
}
/* not supported yet, so return empty table */
static int walkTableOfContent(lua_State *L, miniexp_t r, int *count, int depth) {
depth++;
miniexp_t lista = miniexp_cdr(r); // go inside bookmars in the list
int length = miniexp_length(r);
int counter = 0;
char page_number[6];
while(counter < length-1) {
lua_pushnumber(L, *count);
lua_newtable(L);
lua_pushstring(L, "page");
strcpy(page_number,miniexp_to_str(miniexp_car(miniexp_cdr(miniexp_nth(counter, lista)))));
page_number[0]= '0'; //page numbers appear as #11, set # to 0 so strtol works
// printf("string: %i:\n", strtol(page_number,NULL, 10));
lua_pushnumber(L, strtol(page_number,NULL, 10));
lua_settable(L, -3);
lua_pushstring(L, "depth");
lua_pushnumber(L, depth);
lua_settable(L, -3);
lua_pushstring(L, "title");
lua_pushstring(L, miniexp_to_str(miniexp_car(miniexp_nth(counter, lista))));
lua_settable(L, -3);
lua_settable(L, -3);
(*count)++;
if (miniexp_length(miniexp_cdr(miniexp_nth(counter, lista))) > 1) {
walkTableOfContent(L, miniexp_cdr(miniexp_nth(counter,lista)), count, depth);
}
counter++;
}
return 0;
}
static int getTableOfContent(lua_State *L) {
/*int count = 1;*/
int count = 1;
DjvuDocument *doc = (DjvuDocument*) luaL_checkudata(L, 1, "djvudocument");
/*ol = djvu_load_outline(doc->doc_ref);*/
miniexp_t r;
while ((r=ddjvu_document_get_outline(doc->doc_ref))==miniexp_dummy)
handle(L, doc->context, True);
//printf("lista: %s\n", miniexp_to_str(miniexp_car(miniexp_nth(1, miniexp_cdr(r)))));
lua_newtable(L);
/*walkTableOfContent(L, ol, &count, 0);*/
walkTableOfContent(L, r, &count, 0);
return 1;
}